hi， I am using a uCLinux system on a Xilinx microblaze board . After i download and boot the boot i compiled to ramdisk(a 256M ddrram),it failed to boot to root:
------------------------------ Linux version 2.4.32-uc0 (r...@ky) (gcc version 3.4.1 ( Xilinx EDK 8.1 Build EDK_I.17 090206 )) #8 Tue Mar 17 19:18:07 HKT 2009 On node 0 totalpages: 65536 zone(0): 65536 pages. zone(1): 0 pages. zone(2): 0 pages. CPU: MICROBLAZE Kernel command line: root=/dev/ram0 ramdisk_start=1304 load_ramdisk=1 rootfstype=romfs Console: xmbserial on UARTLite Calibrating delay loop... 49.86 BogoMIPS Memory: 256MB = 256MB total Memory: 257096KB available (1205K code, 1009K data, 52K init) Dentry cache hash table entries: 32768 (order: 6, 262144 bytes) Inode cache hash table entries: 16384 (order: 5, 131072 bytes) Mount cache hash table entries: 512 (order: 0, 4096 bytes) Buffer cache hash table entries: 16384 (order: 4, 65536 bytes) Page-cache hash table entries: 65536 (order: 6, 262144 bytes) POSIX conformance testing by UNIFIX Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Initializing RT netlink socket Microblaze UARTlite serial driver version 1.00 ttyS0 at 0x40600000 (irq = 3) is a Microblaze UARTlite Starting kswapd devfs: v1.12c (20020818) Richard Gooch ([email protected]) devfs: boot_options: 0x0 RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize eth0: using sgDMA mode. eth0: Xilinx EMAC #0 at 0x40C00000 mapped to 0x40C00000, irq=1 eth0: id 2.0l; block id 11, type 1 NET4: Linux TCP/IP 1.0 for NET4.0 IP Protocols: ICMP, UDP, TCP IP: routing cache hash table of 2048 buckets, 16Kbytes TCP: Hash tables configured (established 16384 bind 32768) NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. Kernel panic: VFS: Unable to mount root fs on 01:00 ............................ root=/dev/ram0 ramdisk_start=1304 load_ramdisk=1 rootfstype=romfs the parameter: ramdisk_start = 1304,i set the offet address of the ram image, Is there anything wrong with my boot parameters? Thanks
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